**How to Fix mpr.dll Missing Error (Solved)**
**1. What is mpr.dll?**
The `mpr.dll` file is a crucial Dynamic Link Library (DLL) file in Windows operating systems. This library supports the Microsoft Remote Procedure Call (RPC) service which allows different programs and services to communicate with each other efficiently. The absence of this file can cause various system errors.
**2. Why is mpr.dll missing?**
The `mpr.dll` error can occur due to several reasons:
– *Malware infection*: Malicious software may corrupt or delete essential system files including the `mpr.dll`.
– *Accidental deletion*: In some cases users may accidentally delete this file while trying to remove unnecessary files from their system.
**3. Step-by-Step Fixes:**
**Method 1: Reinstall Visual C++ Redistributable**
1. Visit the official Microsoft Download Center at
2. Install the downloaded package following the on-screen instructions.
**Method 2: Run SFC /scannow command**
1. Press `Win + X` and select `Command Prompt (Admin)` or `PowerShell (Admin)`.
2. In the command prompt type `sfc /scannow` and press `Enter`.
3. Wait for the system file check to complete. Once done restart your computer and check if the error persists.
**Method 3: Update System Drivers**
1. Press `Win + X` and select `Device Manager`.
2. In the Device Manager window locate the problematic driver (usually under “Network Adapters” or “Other Devices”).
3. Right-click on the driver and select `Update Driver`.
4. Choose `Search automatically for updated driver software` and follow the prompts to complete the update process.
**4. Conclusion**
The `mpr.dll` error can be frustrating but with these simple steps you should be able to resolve the issue and get your system back up and running smoothly. Regularly scanning your system for malware and keeping your drivers updated will help prevent such errors in the future. If the problem persists consider seeking professional assistance from a reputable IT support service.